December Weather in Simila, Romania

Last updated: August 27, 2025

In Simila, Romania, the average temperature in December hovers around 2°C (36°F), providing a chilly atmosphere. Expect minimum temperatures to plunge to -11°C (13°F), while the mercury can rise to a comfortable 16°C (61°F). During this period, you'll encounter 52 mm (2.0 in) of precipitation spread over approximately 10 days, with an average humidity level of a crisp 88%.

December Temperature in Simila

In December in Simila, the average temperature is 2°C (36°F), with maximums reaching 16°C (61°F) and minimums dipping as low as -11°C (13°F). Travelers should be prepared for chilly conditions and pack accordingly when visiting during this time.

December Weather in Simila: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Simila, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Simila, December typically has an average temperature of 2°C (36°F), with highs reaching up to 16°C (61°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec313642526271737465544336
Data source: Temperature data for Simila generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Simila

In Simila in December, the precipitation amount is 52 mm (2.0 in) over the course of 10 days.

December Precipitation Trends in Simila

The chart displays monthly precipitation patterns in Simila, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Simila, December typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec273638455396702931372952
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Simila

In Simila in December, humidity is 88%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making traveling uncomfortable and energy-draining as every step through the chill seems heavier in the thick air.

December Average Humidity in Simila

This chart illustrates the average monthly humidity levels in Simila, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Simila is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%84%78%69%69%63%50%58%78%87%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Simila

In Simila in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Simila, you can visit Hourly UV Index in Simila.

Maximum UV Index Levels in Simila for December

The chart shows the monthly maximum UV Index (UVI) for Simila in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Simila typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Simila December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Simila Compares to Other Months

Weather in Simila varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Simila, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Simila, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (31°F)27 mm (1.1 inches)89%low
February Weather2°C (36°F)36 mm (1.4 inches)87%moderate
March Weather6°C (42°F)38 mm (1.5 inches)84%moderate
April Weather11°C (52°F)45 mm (1.8 inches)78%high
May Weather17°C (62°F)53 mm (2.1 inches)69%very high
June Weather21°C (71°F)96 mm (3.8 inches)69%very high
July Weather23°C (73°F)70 mm (2.8 inches)63%very high
August Weather23°C (74°F)29 mm (1.2 inches)50%very high
September Weather18°C (65°F)31 mm (1.2 inches)58%high
October Weather12°C (54°F)37 mm (1.5 inches)78%moderate
November Weather6°C (44°F)29 mm (1.2 inches)87%moderate
December Weather2°C (36°F)52 mm (2.0 inches)88%low

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